Granted Patent
Utility
US 4,369,460 · App. 06/231,559
Color-picture tube without shadow mask and with only one electron gun
Inventor:
Eberhard Weiss
Patented Case
View Patent ↗
Granted: Jan 18, 1983
Filed: Feb 4, 1981
Inventor
Eberhard Weiss
Assignee (at issue)
International Standard Electric Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.